/Engine/Plugins/Experimental/ModularGameplay/Source/ModularGameplay/Public/Components/GameFrameworkComponentManager.h
Registers an implementer for a given feature, this will create a feature if required and set the implementer object but will not change the current state
bool RegisterFeatureImplementer ( [AActor](API\Runtime\Engine\GameFramework\AActor) * Actor, [FName](API\Runtime\Core\UObject\FName) FeatureName, [UObject](API\Runtime\CoreUObject\UObject\UObject) * Implementer )